Out-of-bounds Read Affecting torvalds/linux package, versions [3.16,5.10.258)[5.11,5.15.209)[5.16,6.1.175)[6.2,6.6.141)[6.7,6.12.91)[6.13,6.18.33)[6.19,7.0.10)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20790623
- published11 Oct 2026
- disclosed19 Jul 2026
- creditUnknown
Introduced: 19 Jul 2026
CVE-2026-63860 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the processing of netlink attributes in the RDMA/iWARP port-mapper subsystem. An attacker can cause out-of-bounds kernel memory reads and potential memory disclosure by sending crafted netlink messages with non-NUL-terminated strings to the kernel. This can lead to kernel information leakage, hijacking of port-mapping operations, and possible denial of service through kernel faults.
Note: The Linux kernel project assigns a CVE to every bug fix it ships, whether or not the bug has been shown to be exploitable. This advisory was generated from that process and has not been individually assessed for exploitability. See the kernel's CVE process documentation: https://github.com/torvalds/linux/blob/master/Documentation/process/cve.rst